SF Notification GScript

// Change these settings with your Webhook URL and the options for your notification body
var webhookURL = "[YOUR SLACK WEBHOOK URL]";
var slackNotificationBody =  {
    "text": "",
    "attachments": [
        {
            "text": "",
			"color":"#9C1A22"
        }
    ]
};

function SFNotifications() {
  // Search MC Notification Codes
  var threads = GmailApp.search("subject:Verify your identity in Salesforce Marketing Cloud newer_than:1d");
  
  for( var i = 0; i < threads.length; ++i ) {
    
    // get last message in thread
    var messagesCount = threads[i].getMessageCount();
    var lastMessage = threads[i].getMessages()[messagesCount-1];
    var body = lastMessage.getPlainBody();
    var start = body.indexOf("prompted.")+9;
    var end = body.indexOf("If you");
    
    var activationCode =  body.substring(start,end).trim(); 
    var account = lastMessage.getFrom();
    
    slackNotificationBody.text = activationCode;
    slackNotificationBody.attachments[0].text = "New MC Code for: " + account;
    
    SendNotification();
    
    // mark message as unread
    threads[i].markUnread();
    
    // move to trash
    threads[i].moveToTrash();
  }
  
  // Search MC Nofitication Codes
  var threads = GmailApp.search("subject:instructions to activate newer_than:1d");
  
  for( var i = 0; i < threads.length; ++i ) {
    
    // get last message in thread
    var messagesCount = threads[i].getMessageCount();
    var lastMessage = threads[i].getMessages()[messagesCount-1];
    var body = lastMessage.getPlainBody();
    var start = body.indexOf("browser:")+8;
    var end = body.indexOf("This");
    
    var activationCode =  body.substring(start,end).trim(); 
    var account = lastMessage.getFrom();
    
    slackNotificationBody.text = activationCode;
    slackNotificationBody.attachments[0].text = "New MC Code for: " + account;
    
    SendNotification();
    
    // mark message as unread
    threads[i].markUnread();
    
    // move to trash
    threads[i].moveToTrash();
  }
  
  // Search Salesforce Notification Codes
  var threads = GmailApp.search("subject:Verify your identity in Salesforce from:noreply@salesforce.com newer_than:1d");
  var threads2 = GmailApp.search("subject:Verify your identity in Your Developer Edition from:info@salesforcedevs.com newer_than:1d");
  var threads3 = GmailApp.search("subject:Sandbox: Verify your identity in Salesforce from:noreply@salesforce.com newer_than:1d");
  var threads4 = threads.concat(threads2).concat(threads3);
  
  for( var i = 0; i < threads4.length; ++i ) {
    
    // get last message in thread
    var messagesCount = threads[i].getMessageCount();
    var lastMessage = threads[i].getMessages()[messagesCount-1];
    
    var body = lastMessage.getPlainBody();
    var start = body.indexOf("Verification Code:")+18;
    var end = start+6;
    var activationCode =  body.substring(start,end).trim(); 
    
    slackNotificationBody.text = activationCode;
    slackNotificationBody.attachments[0].text = "cloud: New Salesforce Verification Code";
    
    SendNotification();
    
    // mark message as unread
    threads[i].markUnread();
    
    // move to trash
    threads[i].moveToTrash();
  }
}

function SendNotification() {
  var payload = JSON.stringify(slackNotificationBody);

    var headers = { 
               "Accept":"application/json", 
               "Content-Type":"application/json", 
               "Authorization":"Basic _authcode_"
              };

    var options = { "method":"POST",
                "headers": headers,
                "payload" : payload
               };
    
    var response = UrlFetchApp.fetch(webhookURL, options);
}